Comments

src/test-gradient-sample-nonsmooth.cc

@@ -47,7 +47,7 @@ int main() {
   */
   {
     start = b;
-    start /= (b.two_norm() + 1e-12);
+    start /= (b.two_norm() + 1e-12); // Make sure the norm is below 1;
     assert(start.two_norm() < 1);
 
     Functional::SmallVector numerical_descent;